[Hackage] #470: identify and exclude broken or unusable packages when constructing and merging package dbs

[Hackage]

#470: identify and exclude broken or unusable packages when constructing and
merging package dbs
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  Reporter:  guest               |        Owner:  kosmikus          
      Type:  defect              |       Status:  new               
  Priority:  normal              |    Milestone:  cabal-install-0.14
 Component:  cabal-install tool  |      Version:  1.6.0.1           
  Severity:  normal              |     Keywords:  solver            
Difficulty:  hard (< 1 day)      |   Ghcversion:                    
  Platform:                      |  
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Comment(by kosmikus):

 Also see #937.

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/470#comment:6>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects